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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 8 |
| 1955 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 9 |
| 1965 | 132 |
| 1966 | 275 |
| 1967 | 274 |
| 1968 | 250 |
| 1969 | 313 |
| 1970 | 324 |
| 1971 | 310 |
| 1972 | 290 |
| 1973 | 340 |
| 1974 | 327 |
| 1975 | 332 |
| 1976 | 390 |
| 1977 | 319 |
| 1978 | 355 |
| 1979 | 345 |
| 1980 | 333 |
| 1981 | 348 |
| 1982 | 403 |
| 1983 | 497 |
| 1984 | 585 |
| 1985 | 541 |
| 1986 | 592 |
| 1987 | 599 |
| 1988 | 681 |
| 1989 | 632 |
| 1990 | 655 |
| 1991 | 667 |
| 1992 | 664 |
| 1993 | 749 |
| 1994 | 712 |
| 1995 | 691 |
| 1996 | 772 |
| 1997 | 704 |
| 1998 | 745 |
| 1999 | 912 |
| 2000 | 1013 |
| 2001 | 1102 |
| 2002 | 1291 |
| 2003 | 1409 |
| 2004 | 1578 |
| 2005 | 1833 |
| 2006 | 1843 |
| 2007 | 2015 |
| 2008 | 2247 |
| 2009 | 2325 |
| 2010 | 2557 |
| 2011 | 2804 |
| 2012 | 3050 |
| 2013 | 3095 |
| 2014 | 3419 |
| 2015 | 3384 |
| 2016 | 3417 |
| 2017 | 3312 |
| 2018 | 3378 |
| 2019 | 3635 |
| 2020 | 4735 |
| 2021 | 5717 |
| 2022 | 6100 |
| 2023 | 5862 |
| 2024 | 5396 |
| 2025 | 3311 |